IBM DS4700 MPIO DRIVER

If so, have you zoned the WWNs together correctly? There you need to check only the Utilities part. I have also upgraded to latest DS storage manager client 10 on windows host Go to original post. You are commenting using your Facebook account. In AIX Version 6. Leave a Reply Cancel reply Enter your comment here

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Post was not sent – check your email addresses! Check configuration When you configure active and passive paths you assume that first path listed is to controller A and second path is to controller B.

Finally, this book highlights several scenarios that demonstrate the preferred practices and performance guidelines. It’s a test system for an Oracle 11gR2 database, so this is more for me to be able to identify steps to ds470 a multipath configuration.

I am just trying to under stand the paths I have.

IBM DS Storage and Windows MPIO « Bart’s Weblog

This configuration provides two paths to hdisks. Personally i don’t like configuration with more that two paths from server to storage one per controllermoreover it isn’t supported in for all OS and all multipath software.

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But if one path fails then it should fail over to the other.

Unanswered question This question has not been answered yet. It is supported with DS firmware 6. Answered question This question has been answered.

But, I can’t figure out how to establish multipathing to the DS In manual configuration MPIO works more like a simple dispatcher and route requests through available path. So redundant path here is used only as a failover. Open Pagechapter headed “DS logical drive representation in Windows Server ” Even if your mpioo Win it still good read to explain how to view.

Now I later added another path to the FC switch from the HBA by plugging in a second piece of fiber cable into the second port.

MPIO RDAC IBM SAN STORAGE DS ?

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The reason I was looking for a policy change is due to an issues with a specific configuration. Please turn JavaScript back on and reload this page. Troubleshooting and diagnostics The default settings on a DS with firmware Leave a Reply Cancel reply Enter your comment here The other controller is considered as an alternate, or passive secondarycontroller. Start Free Trial No credit card required.

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This simplifies zoning and improves performance. Okay, after a long side-trip down the path of “AIX pvid breaks Oracle ASM in ways that can delete data, and thank goodness this is a test system!

Fibre Channel (SAN)

It was mpii helpful. Leave a Reply Cancel reply Enter your comment here The time now is I have also upgraded to latest DS storage manager client 10 on windows host Notify me of new posts via email. Each time a different path is selected, thrashing occurs and performance degrades because of the overhead of sending a BDR and issuing a reserve to the target device.

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